i present to you my 60 card garbage deck that going first, can hand loop your opponent for 4 cards with snow in grave .i am aware that this deck has spell/trap removal problems and this post is not here to fix the main deck.i wold like help with the extra deck i.e. making a second extra deck in the side (15 extra deck monsters in the side deck).the focus of the deck is to mill until sufficient resources for 3 omegas and 1 lswarm ouroboros.i would like to find some cards to put in the extra deck game 2 and 3 to grinding not just handloop. thank you in advance.

https://imgur.com/a/YdhxWT3